Digital thermostat hook up, wire a thermostat
Enjoy the convenience of programming a thermostat from any location, using a simple graphical interface. I hooked up the new stat the same way but it would not work. Don't forget to turn off all electrical power involved with your heating system before working on thermostat wiring, and confirm that power is off where you are working by using an appropriate test instrument such as a VOM.
Because the "set" range on these thermostats may have had a lower-end of 55 deg.
4 Wire Honeywell Thermostat Wiring
But in the case of a Heat Pump system, You'll really have to do some research to verify that the programmable thermostat will work. This unique A-Z guide to central heating wiring systems provides a comprehensive reference manual for hundreds of items of heating and control equipment, making it an digital thermostat hook up handbook for electricians and installers across the country.
The following thermostat wiring suggestions were derived from a thermostat wiring connection code list provided courtesy of J.
We have no relationship with advertisers, products, or services discussed at this website. Two wire thermostat wiring instructions: Yellow — The yellow wire connects to your compressor.
If your thermostat is controlling only a heating system or only an air conditioning system, you will only have a red wire, and a white wire coming form the inside unit, to the outside unit. Even the most seasoned people who enjoy DIY may come across problems with wiring a thermostat.
Mar 11, Nobu said: The electrician may have run a multi-wire set of low voltage wires digital thermostat hook up the walls of the building between the low voltage transformer and the thermostat etcbut in this simple installation the other wires at the thermostat are not being used. Orange — This wire connects to your heat pump if you have one. Once that is verified, the owners manual should be informative enough to complete the change over very easy. After searching hi and low, your site was the only one that provided correct information on rewiring an old thermostat to a digital thermostat.
No computer equipment or software is required. If you're changing your old style thermostat to a programmable type, then most HVAC systems are compatible and will work just fine with a programmable unit. Disconnect the wires and label them with masking tape so you know where to connect them to the new digital thermostat.
The W, Y and G terminals should be pretty straight forward on most all types of thermostat's. Going into your furnace may sound intimidating, but if you have the basic knowledge of wiring, and know how to remove the proper furnace panels to access the electronics, then you should be fine. Color codes may be different from one household to another, but generally the concept should be the same.
These are the traditional wiring schematics, again, check the thermostat to see if this is the case with yours.
Then the thermostat body is screwed in place. Be sure to check out my Thermostat Store for great bargains on all types of thermostats. At left you can see the 11 possible thermostat wire connectors on the 3M FIltrete thermostat.
So, this is what you might expect to see in terms of colored wires and what they mean: I would like to install a thermostat that would allow me to program not only the temperature variations, but the fan. Always keep in mind that who ever wired your thermostat may not have followed these procedures and your color codes will not match the following examples. If the screw holes line up, you can use the old ones. Good Morning, I have a 6 wire feed, but connected to 5 terminals - here is the layout: Field inspection worksheets are included at the back of the volume. Remember to check for a broken or open TT wire enroute between the thermostat and the control at the wires' other end.
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This type thermostat is relatively easy to connect or change over to a programmable type thermostat. This article series answers most questions about central heating system troubleshooting, inspection, diagnosis, and repairs. Comment Box is loading comments Tips Don't hesitate to install a digital thermostat because you think the task is difficult.
The diagram shows how the wiring works.